Improvement in harvesters



2521 She j. Sewing.

T T Arr.

UNITED STATES PATENT OEEIOE.

THOMPsON o. sEBEING, OE MILEOED, MICHIGAN, AssiGNoE To IRA A. HEBBAHD, OF EOOHEsTEE, NEW YORK.

IM PROVEMENT IN HARVESTERS.

Specification forming part of Letters Patent No. 82,253, dated September 15, 1868.

To all whom it may concern:

Be it known that l, THOMPSON C. SE-A BRING, of the town of Milford, county of Oakland, and State of Michigan, have invented cortain new and useful Improvements in Grain and Grass Harvesters; and I do hereby declare that the following is a full, clear, and eX- act description thereof, reference being had to the accompanying drawings, making part of this specification, in which- Figure 1 `is a top view of my invention. Fig. 2 is a rear elevation of the same, the cover C of the gearing case or frame F being shown in a vertical section, as also the shoe S and the pivoted clutch-bar head H. Fig. 3 is a vertical section of the machine, taken in the direction of the line o in Figs. 1 and 2. Fig. 4 is a side elevation of the hub `and central portion of the driving-wheel, showing the arrangement of the clutch. Fig. 5 is atop view of the same parts, showing their relative arrangement vertically, with the clutch p thrown into gear. Fig. 6 is a vertical section of the cutter-bar head audits connection, taken in the plane of the line x in Figs. l and 2.

Similar letters of reference indicate like parts. Y

The object and nature of this invention are mainly as follows, viz: providing an effectual preventive of side draft, which is done by making the two carrier-wheels of unequal diameter, the left-hand wheel being made the smaller, and therefore made the driver; in the peculiarly constructed castiron frame, which also acts as an inclosingcase for the gearing, and forming bearings for the same; also, the employment of spherical joints for hinging the cutter-bar braces to the main frame; and in the peculiar construction of the ratchet for the driving-wheel, and also, the manner of hanging and adjusting the cutter-bar head. y

To enable others to make and use my invention, I will describe its construction and operv ation.

i that the left-hand wheel G is made about one inch smaller in diameter than the other, which causes that one to act as the driver, by turning or revolving faster than the other.

The driving-wheel ratchet is composed of the ratchet-hub H', which is keyed to the aXlei shaft A, and an annular pawl, p, ratcheted on one side, to match the hub H1, and the other side provided with two or more projecting lugs, a, Figs. 4 and 5. On the rear sides of the lugs is a short inclined plane, c. These lugs reach between the spokes of the groundwheel, and the circular pawl is retained in a central position by the projecting ilange or rim b, cast to the spokes. Then the wheel turns forward, the spokes d ride upon the inclined planes c to the position shown in Fig. 4, striking the shoulder of the lug erfand forcing the pawl firmly into gear with the ratcheted collar or hub H. When the wheel turns backward the spokes change their position to the thin section of the pawl or ring p, which permits its teeth to slip past those of the hub H.

It will be seen that this vratchet is operated without the use of any springs. They maybe thrown out of gear, and locked in that position when desired, if the machine is to be drawn any considerable distance without cutting, by using a spring, f, Fig. 4, attached to the rim b, the end g being in the hole h, Fig. 5; or it may be placed in front of the teeth, so as to hold it out of gear.

The main frame F is suspended from the ground-wheel or axle A, as seen in Figs. l and 2. The bevel-wheel B (seen in Figs. 2 and 3) is hung loosely upon this shaft between two collars, only one of which, J', Fig. 2, is shown, the other being covered by the sliding clutch k, which is feathered to the shaft.

I make the frame F ofcastiron, in circular form, as seen in Fig. l, and having a sort of conical or funnel-shaped bottom, Figs. 2 and 3. There is a bracket or offset, D, to which lthe tongue T is attached, and also one of the drag-bars E of the cutter-bar. From the rear side projects the hanger K, for the support of the outer end of the crank-shaft I. The rear cutter-bar brace J is hinged to the under side of this hanger. There may be detachable said screws "being employed to take Vup the Wear and screw the boxes in position. There is an opening cut through the under side of the case or frame F, to receive the end of the crank-shaft I and the pinion P, Fig. '3. This opening is entirely covered by the case or cap L, which also acts as vthe journal-box cap for that end of the shaft. There is a sort of saucer-shaped bevel-wheel, W, hung withinthe;

case or frame F upon a vertical axis, ythe upper bearing being in the cross-bar M, provided for that purpose, and the lower journaly 'between any twoof them, which iWill'aiifo'rd a triple Wear by the `different settings ofthe same box or step. rlhe step rests upon and is adj usted by the set-screwr.

The bevel-pinion ,t may :be cast Vwith "the wheel WV. The cavitybelow the 4bevel-wheelA W, .and also the wheel itself, may be 'Yiilled with oil or any other lubricator desired, and Aremain until worn out. f

The cap C is'hinged'to the'frame in front,

as shown in Figs. l and 3. The hand-lever l is .pivoted to thegcover. or cap C. The lower end of the lever is forked, and rests in the groove in the sliding clutch 7c, Fig.2. The

lever is kept in either adjustment bythe spring y, which may be `V-s'haped at its bearings against the lever; or Vthere may be a suitable of the lever when a changeisto be made, as well as the forward and backward movement.

The braces E and J are provided, at, the end connecting with ythe frame, with a ball orl spherical head, as shown in Figs. 2 and 3. The brace E is secured to-the frame F bythe same bolt that attaches the tongue T, and is shaped as shown in Fig. l, and connectedto lthe rear end of the shoe-S. The brace J is nearly straight, an'dis hinged underthe hanger K, and bolted to the front end of kthe'shoe S. The two braces are iirmly bolted 4together at their crossing. f

There isa spherical cavity, n, vcast in the `under side of the hanger (shown in ]3`i`g.,3,) to receive the upper side of the ball q, while: the

burr Itv on the bolt f. After adjusting'the end of the'brace, the plate G is applied, and l'securedubythe nut 'n'. Y l

The bent or angular lever E is hinged Yto the .brace J, and there is a carrier pulley or wheel, W', attached to the lower end.

There is a hook-latch, g', attached to the top ofthe frame, as shown in Fig. l, and it is pro vided with several notches on the under side, {go-catch in the -loop p ',and holds the lever in the adjustment; or, if desired, ythe latch may be piv'oted tothe lever E', and made to slide through a suitable spring-catch at the point where it is'now held by the bolt m or, if desired, this lever may be cut 0E at the point x, above the brace J, and a lever placed on the ratchet-hubV of the ground-wheel G. Y By making this lever with an opening sufficient to ad vmit said hub, and passing below the axle A, the lower end of this lever may have a hole drilled through it, and a connecting-rod 'pass from it to the upper end of the lever at 'the place where it is cut olf at m. This Vlever on the hub of the ground-wheel A may 4be retained in'its :position by catches formed in the hanger N. This lever is u'sed'to elevate or kdepress the'shoe Sand cutter-bar.` Thelever Y'i's pivotedl to the cutter-bar head H, and is prevented from `swinging.overon the cutterbar by the spur s", Figs. l, 2, 'and `6. It is usedto raise ythe outer end of the cutter-bar,

andto fold itover and Ytransport the machine. The shoeSlis castwith a spherical cavity, o', in the'heel-o'r hook, "Figf, and the front end isprovided with Ia vertical standard, J", 'to which is'seciired the adjustable gage or gate I r" by the yclamping-'bolt 7c that passes through a short slot in the gage. By this means the Y g s'etof the gage vmay. be raised or lowered. spur on the cover, requiring a side movement- The head'Ml ofthe Gutter-bar is fltted'i'n the recesso, Figf, and the front end is provided with a sort of pivot or wrist'pin, e, having a square head to slide in the groove o, while the bar is'free to swing upon the pin` and in the cavity in the heel of the shoe.

The slide constitutes the segment of a circle of which the cavity 'v' is the center.

The drivers seat may be arranged in aconvenient position with relation to the hand-levers F and y.

This machinemay be converted into `a grainv'harvester by hinging a platform Vto the rear of nthe cutter-'bar and applying a reel-,pulley to thel groundfwheel G.

The cutter-bar may be folded over for trans` 'portatioiu as indicated by the dottedlines A, yFig". 2.

The hanger-.ears N may. be cast upon 'the frame, or -theymay be made'separate and bolted on. V j

What. "L claim as my invention, and desire to secure `by Letters Patent, is-

1. The employment, in grass and grain har- Vvesters, of a round castir'on main frame, F,

constructed substantially'in the manner and for the purposes herein shown and described.

2. In combination with the main frame F, the cover or cap n@,substantiallyas shown and described, for the'purpose of entirely incasing the gearing of the machine and protectin g it from dust and dirt.

3. In combination with the horizontal bevcl-wheel W, the boX or step s and adjustingscrew c.

4. The annular pawl p, provided with the inclined plane e, arranged and operating substantially in the manner and for the purposes herein shown and described.

5. The arrangement of the spring f, as

shown, and operating in the manner and for the purposes described.

6. The hand-lever y, pivoted to the head H of the cutter-bar, and operating substantially in .the mannerv and for the purposes herein shown and described.

7. Pivoting the rear end h of the cutterbar head H in the shoe S, with a spherical joint, to permit anyr necessary vertical change in the elevation of the outer end of the cutterbar, and also of the front side, substantially in the manner and for the purposes herein shown and described.

8. The adjustable gate fr", secured to the standard J of the shoe S, arranged to operate as herein described.

THOMPSON C. SEBRING.

Witnesses:

PHILIP F. WELLs, C. W. GATE. 

